<template>
  <div class="login_container">
    <div class="login_box">
      <div class="avatar_box">
        <img src="../assets/logo.png" alt />
      </div>

      <el-form
        ref="elloginform"
        :model="form"
        :rules="rules"
        label-width="0px"
        class="login_form"
      >
        <el-form-item prop="username">
          <el-input
            v-model="form.username"
            prefix-icon="el-icon-user-solid"
          ></el-input>
        </el-form-item>

        <el-form-item prop="password">
          <el-input
            v-model="form.password"
            prefix-icon="el-icon-lock"
            type="password"
          ></el-input>
        </el-form-item>

        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="infor" @click="reset">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      form: { username: 'zs', password: '123' },
      rules: {
        username: [
          { required: true, message: '必须要填', triggle: 'change' },
          { min: 2, max: 10, message: '2-10', trigger: 'change' }
        ],
        password: [
          { required: true, message: '必须要填', triggle: 'change' },
          { min: 6, max: 16, message: '6-16', trigger: 'change' }
        ]
      }
    }
  },
  methods: {
    reset() {
      this.$refs.elloginform.resetFields()
    },
    login() {
      this.$refs.elloginform.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.post('login', this.form)
        if (res.meta.status !== 200) return this.$message.error('登录失败!')
        this.$message.success('登录成功')
        window.sessionStorage.setItem('token', res.data.token)
        this.$router.push('/home')
      })
    }
  }
}
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}

.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;

    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
.btns {
  display: flex;
  justify-content: flex-end;
}
</style>
